diff --git a/share/sgml/man-refs.ent b/share/sgml/man-refs.ent
index 0c96d73b50..80809ada91 100644
--- a/share/sgml/man-refs.ent
+++ b/share/sgml/man-refs.ent
@@ -359,6 +359,7 @@
 <!ENTITY man.msgs.1 "<citerefentry/<refentrytitle/msgs/<manvolnum/1//">
 <!ENTITY man.mt.1 "<citerefentry/<refentrytitle/mt/<manvolnum/1//">
 <!ENTITY man.mv.1 "<citerefentry/<refentrytitle/mv/<manvolnum/1//">
+<!ENTITY man.nc.1 "<citerefentry/<refentrytitle/nc/<manvolnum/1//">
 <!ENTITY man.ncal.1 "<citerefentry/<refentrytitle/ncal/<manvolnum/1//">
 <!ENTITY man.ncplist.1 "<citerefentry/<refentrytitle/ncplist/<manvolnum/1//">
 <!ENTITY man.ncplogin.1 "<citerefentry/<refentrytitle/ncplogin/<manvolnum/1//">